ACPICA: Fix access width for reset vector
Section 4.7.3.6 of the ACPI specification requires that the register width of the reset vector be 8 bits. Windows simply hardcodes the access to be a byte and ignores the width provided in the FADT, so make sure that we do the same. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -80,14 +80,14 @@ acpi_status acpi_reset(void)
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if (reset_reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
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/*
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* For I/O space, write directly to the OSL. This bypasses the port
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* validation mechanism, which may block a valid write to the reset
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* register.
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* For I/O space, write directly to the OSL. This
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* bypasses the port validation mechanism, which may
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* block a valid write to the reset register. Spec
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* section 4.7.3.6 requires register width to be 8.
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*/
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status =
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acpi_os_write_port((acpi_io_address) reset_reg->address,
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acpi_gbl_FADT.reset_value,
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reset_reg->bit_width);
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acpi_gbl_FADT.reset_value, 8);
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} else {
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/* Write the reset value to the reset register */
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